Which e-commerce innovation first allowed astronomy enthusiasts to virtually 'test' telescope views before purchase?

The astronomy industry has seen remarkable growth in online retail over the past decade. From sophisticated telescope e-commerce platforms to subscription services for stargazing equipment, astronomy retailers have embraced digital transformation. This poll tests your knowledge about a significant e-commerce innovation that revolutionized how amateur astronomers purchase their equipment online.

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SkyView Simulator (2015) - software that renders simulated night sky views through specific telescope models based on their optical specifications
AstroTry (2017) - a VR application that creates generic telescope viewing experiences without specific model accuracy
StarScope Preview (2018) - a comparison tool showing only professional photos taken with different telescopes, not simulated views
TelesTest (2019) - an augmented reality feature that shows telescope size and appearance in your space but doesn't simulate views